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Absolutely agree
>but it MUST NOT be an error if the file is
>not found since a
non-validating processor is NOT required
>to read the external
sub-set.
Lets say, it must not be a critical error, in other words, one
should be able to catch exception and continue parsing.
Sometimes it is desirable to know that dtd is
missing.
----- Original Message -----
Sent: Thursday, April 26, 2001 5:00
PM
Subject: RE: PLEASE HELP: SAX parser
errors on validation when ValScheme=Val_Never?????
Actually, I don't think it's quite that
simple. A non-
validating parser is NOT required to read the
external
subset at all. Unfortunately, the 1.0 spec. doesn't say
it
MUST not, only that "Non-validating processors are required
to check
only the document entity, including the entire
internal DTD subset, for
well-formedness." (REC-xml-20001006
5.1, para. 4) The problem seems
to be that processors are
allowed to read external declarations, but they
can NOT use
them to modify the internal sub-set.
At any rate, Chris
said "... when I parse an xml doc that
specifies a dtd ...". It
sounds to me like he might have
meant he has a document that has a line
like this:
<!DOCTYPE foo SYSTEM "foo.dtd">
A
non-validating processor is apparently allowed to attempt
to read foo.dtd,
but it MUST NOT be an error if the file is
not found since a non-validating
processor is NOT required
to read the external
sub-set.
-----Original Message-----
From: Erik Rydgren
[mailto:[EMAIL PROTECTED]]
Sent: Thursday, April 26, 2001 7:07
AM
To: [EMAIL PROTECTED]
Subject:
RE: PLEASE HELP: SAX parser errors on validation
when
ValScheme=Val_Never?????
Yes that is the correct
behaviour.
The DTD can contain definitions that are needed even when not
validating.
/ Erik Rydgren
-----Original
Message-----
From: Prior, Chris [mailto:[EMAIL PROTECTED]]
Sent:
den 26 april 2001 13:00
To: '[EMAIL PROTECTED]'
Subject:
PLEASE HELP: SAX parser errors on validation
when
ValScheme=Val_Never?????
Hi all,
I am using the SAX
parser and setting validation to Val_Never, yet when I
parse an xml doc
that specifies a dtd the parser fails if it cannot find
the
dtd!!!
Why is this the case when I am not interested in
validating? Surely looking
for the dtd when no validation is required is
not correct?
Please
help!
Chris
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